排水板
- 网络drainage board;pvd;drainage sheet;HDPE
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与C型塑料排水板相比,软式透水管作为竖向排水体可加快地基固结压缩,提高地基深层加固效果。
Comparing with C type of plastic drainage board , the flexible permeable hose can speed the consolidation and compression of the foundation and raise the deep reinforcing effect .
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塑料排水板真空预压地基加固技术的施工
Construction of reinforcing by plastic drainage board and vacuum precompression technique
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内宜路X段塑料排水板加固超深软基实践
Reinforcement of the Super-deep Soft Foundation in Section X of Neijiang-Yibin Freeway Using Plastic Drainboard
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钉子型排水板的底板是用抗高冲击及高抗压聚苯乙烯(HIPS)制成。
The under board of dimple drainage plant is makes by high impact polystyrene ( HIPS ) .
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对有效影响深度的分析结果表明,真空预压的有效影响深度与塑料排水板的打设深度具备一定关系,有效影响深度可以超过10m。
The effective influence depth of vacuum preloading has relationship with PVDs depth and can be more than 10m .
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介绍了塑料排水板在内江&宜宾高速公路X合同段的成功应用,从而为加固20m以上超深软基找到一条新的途径。
The successful use of plastic drainboard in section X of Neijiang-Yibin freeway is introduced ; thus a new way on reinforcing the over 20 meters super-deep soft foundation is found .
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地表的水平位移影响范围可达20m,约为1倍排水板深度的距离。
The influence scope of soil horizontal displacement is far from the improvement area border 20m away , about one times of PVDs depth .
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采用塑料排水板(PVD)加固地基存在固结解析解求解过程复杂且参数繁多的缺点。
For the prefabricated vertical drain ( PVD ) ground , most analytical solutions of consolidation are very difficult to solve and too many parameters are involved in the solving process .
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应用SPB-1塑料排水板处理软基
Application of SPB-1 Plastic Draining Plate in the Treatment of Soft Foundation
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上海某10×104m3油罐为国内同容积罐中首次建造在软土地基上的大型油罐,采用了碎石桩、塑料排水板及充水预压综合地基处理方案。
A storage tank with a large capacity of 100,000 steres has firstly been built on soft clay base in Shanghai China .
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塑料排水板内的负孔隙水压力比较均匀,约为膜下真空度的90%,传递深度可达到13m以上,说明有效加固深度大于10m。
Negative pore water pressure at the different depths along the PVD is similar , about 90 % of vacuity under the membrane ; and its transmission depths are more than 13 m.
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真空预压中,砂井和近年来使用得很多的预制竖向排水板PVDs是用来传递真空以及消散孔压的。
Sand drains and more recently prefabricated vertical drains , PVDs are used with vacuum loading to distribute the vacuum and dissipate the pore-water pressure .
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当塑料排水板打设深度在20m以内时,由该方法分析得到的负压渗流场分布模式沿深度基本一致,其值在膜下真空度的50%以上。
When prefabricated vertical drains ( PVDs ) were installed to a depth less than 20 m , the distribution along depth was almost consistent and the value was greater than 50 % of applied vacuum pressure .
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主要结论包括以下几点:(1)应用PLAXIS有限元软件,建立了塑料排水板处理软土地基的平面应变有限元模型,并模拟了路堤分步建造。
The mian conclusions of the article are as follows : ( 1 ) Using the finite element program of PL AXIS , the plane strain finite element model of soft soil foundation processed by plastic drain plate is created , and subgrade construction process step is simulated .
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通过对软土厚度10m、路基长度65m和高度4.5m的路基原位试验,分析了塑料排水板处理软土、堆载预压对地基工后沉降的影响。
In-situ test of subgrade with thickness of 10 m soft soil ground , length of 65 m and height of 4.5 m is studied . Soil settlement after construction by using prefabricated strip drains and preloading method is analysed .
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为保证施工质量,在粉喷桩三角形布桩的中心打设塑料排水板,并铺设50cm厚砂垫层,进行超载预压,取得了较好的工程效果,为类似工程提供了可借鉴的方法
In order to ensure the quality of construction , we drived a prefabricated drains in the center of every three jet-powder piles , layed 50 cm thick sand on the surface , and preloaded , the result is satisfactory
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塑料排水板是带状复合型结构,中间是挤出成型的塑料芯板,是排水带的骨架和通道,其断面呈井联十字,由35条筋,34条槽组成,宽100mm,厚3.5&6.0mm。
The core board is skeleton and pathway of plastic board , its cross-section is parallel cross and made up of 35 ribs and 34 arks . The width of the prefabricated drains is 100 mm and their thickness is from 3.5 to 6.0 mm .
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影响塑料排水板加固效果几个因素的分析
Analysis of Factors Affecting the Consolidation Results by Using Prefabricated Drains
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塑料排水板在真空预压加固软基中的作用
The Effect of Plastic Drain Board in Atmospheric Pressure Soft-base Reinforcement
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塑料排水板处理软弱地基的平面应变简化方法探讨
Discussion on Plane-Strain Modeling Methods in Soft Foundation Treated by PVDs
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关于塑料排水板的真空联合堆载预压软基处理的位移反分析研究
Study on the Displacement Back-analysis of the Vaccum-heaped Load Combining Pre-compression
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塑料排水板在土石山区坡地管道中的应用
The Application of Plastic Drain Board in Pipeline of Mountainous Slopes
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软土地基塑料排水板施工关键技术
Key technique for plastic drainage plate construction in soft soil foundation
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多年冻土路堤水平排水板的作用机理与试验研究
Test and mechanism of horizontal plastic drain in permafrost regions embankment
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塑料排水板加固地基固结沉降特性研究
Research on ground consolidation and settlement features in plastic drainage plate
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塑料排水板堆载预压技术在填海工程中的应用
Application of Plastics Draining Preloading Technique Plate in Filling Sea Engineering
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水力吹填地基的水平排水板振动碾压处理法
Dredged fill treatment using horizontal wick drains combined with vibrating roller compaction
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塑料排水板加固软基的稳定可靠度分析
Analysis on Stable Reliability of Soft Ground Reinforced by Plastic Drainage Board
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水平排水板在真空预压施工中的应用
Application of horizontal drainage plate in the vacuum preloading construction
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海上打设塑料排水板施工的质量与安全控制
Quality and Security Control of the Construction of Maritime Driven Plastic Drain